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1、基于 GPRS 的远程温度监测系的远程温度监测系 统设计统设计专业专业学生姓名学生姓名班级班级学号学号指导教师指导教师完成日期完成日期基于基于 GPRS 的远程温度监测系统设计的远程温度监测系统设计摘 要温度是工业生产中主要的被控参数之一，与之相关的各种温度控制系统广泛 应用于冶金、化丁、机械、食品等领域。温度控制是丁业生产过程中经常遇到的 过程控制。有些工艺过程对其温度的控制效果直接影响着产品的质量。例如：在 冶金工业、化工生产、电力工程、造纸行业、机械制造和食品加工等诸多领域中， 人们都需要对各类加热炉、热处理炉、反应炉和锅炉中的温度进行检测和控制； 在农业生产、粮食储备、计算机机房等都需
2、要对温度进行控制。因而设计一种较 为理想的温度控制系统是非常有价值的。 GPRS 作为一种高速、高效、经济的无线系统，具有网络覆盖范围广、数据带 宽宽、适应性强、计价按数据流量计算、实时在线的优点，特别适用于间断的、 突发性的或频繁的、少量的数据传输，也适用于偶尔大量的数据传输，能够满足 数据采集及监控的双向数据信息传输。GPRS 技术从实验室研究、地区范围内试用 到正式商用，经过了长时间的完善，技术先进可靠。GPRS 设备数据监控终端传输 设备一开机就能自动附着到 GPRS 网络上，与数据中心实时在线进行实时数据通 信，高速输，可靠性高。 文中设计了一种温度控制系统，用单片机作为微控器，选用
3、数字温度传感器， 对温度进行控制，提出了一种基于 GPRS 技术的远程温度监测系统方案，采用 AT89C51 单片机和 DS18B20 数字温度传感器实现现场温度数据的采集和处理，再 通过 GPRS 模块 TC39i 实现远程的数据传输和接收，具有精度高、稳定性好的特点。硬件方面设计了一个基于单片机的温度智能控制系统， 以 AT89C51 单片机 为核心，采用了温度传感器 DS18B20，以 GPRS 无线通信模块为基础，基于 AT 指令和数据采集器，构建一个远程的温度数据采集系统，对温度进行控制。 实践结果表明，该系统使用效果良好，有着广泛的应用前景。 关键词：温度采集系统；监控软件；单片机
4、GPRS-based remote temperature monitoring systemAbstract:Temperature is the main accused in the industrial production one of the parameters, associated with a variety of temperature control systems are widely used in metallurgy, chemical Ding, machinery, food and other fields.Temperature control is t
5、he small business often encountered in production process control.Some on the temperature control process directly influences the quality of products.For example: in the metallurgical industry, chemical production, power engineering, paper industry, machinery manufacturing and food processing and ma
6、ny other areas, people need all kinds of furnace, heat treatment furnace, the temperature in the reactor and boiler testing and control;in agricultural production, food reserves, computer room and so the need for temperature control.Therefore designed an ideal temperature control system is very valu
7、able.As a high-speed, efficient and cost-effective wireless system，GPRS has a wide range of network coverage, wide data bandwidth, adaptable, denominated by the data flow calculation advantage, the advantages of real-time online, especially for intermittent, and sudden or frequent , And a small amou
8、nt of data transfer, but also for the occasional large amounts of data transmission, data collection and monitoring to meet the two-way data transmission. GPRS technology from the laboratory studies, areas to the official business within the trial, after a long, technologically advanced and reliable
9、. GPRS equipment data monitoring terminal transmission equipment can automatically attach a boot to the GPRS network, and data centers for real-time data in real-time online communication, high-speed transmission and high reliability.In this paper, design a temperature control system, with the micro
10、controller as the microcontroller the choice of digital temperature sensors, temperature control, a GPRS- based technology solutions for remote temperature monitoring system, using AT89C51 microcontroller and digital temperature sensor for field DS18B20 Temperature data acquisition and processing, a
11、nd through the GPRS module TC39i remote data transmission and reception, with high accuracy, good stability. Hardware design of a microcontroller-based smart temperature control system to AT89C51 microcontroller as the core, using a temperature sensor DS18B20, the GPRS-based wireless communication m
12、odule, based on AT commands and data acquisition, to build a remote temperature data acquisition system For temperature controlThe results show the good effect of the system and have broad application prospects. Key Words:Temperature acquisition system, monitoring software, Microcontrolle目目 录录1. 概 述.5 1.1 课题设计背景.5 1.2 课题设计意义.5 2. 系统的总体结构与硬件电路设计.6 2.1 系统总体结构设计.6 2.2 温度采集模块设计.6 2.3 单片机电路设计.8 2.4 通信电路设计.12 3.下位机软件设计.14 3.1 下位机总体软件的设计.14 3.2 温度采集程序设计.16 3.3 通信模块设计.18 4.
